请问8老师，面试一定要带I864原件吗？

您后来需要交I864吗？我现在父母也是在准备面试。我看这个网站上说不用带I864。想问问您当时的情况。谢谢。

You do not need to bring your Affidavit of Support or financial evidence you submitted to NVC. 

https://travel.state.gov/content/travel/en/us-visas/immigrate/the-immigrant-visa-process/step-10-prepare-for-the-interview.html?